Complete the indicated task to unlock the corresponding tool upgrade.

Unlockable	How to unlock
Golden Axe	Throw an axe into the town fountain to randomly turn it golden.
Golden Fishing Rod	Catch every species of fish.
Golden Net	Catch every species of insect.
Golden Shovel	Bury a normal shovel then dig it up four days later.
Golden Slingshot	Knock down eight balloons to have a random chance of obtaining it from a balloon.
Golden Watering	Can Earn a "Perfect" town rating for fifteen days, then talk to Pelly at Town Hall.
Silver Axe	Throw an axe into the town fountain.
Silver Fishing Rod	Purchase from Tom Nook's store.
Silver Net	Purchase from Tom Nook's store.
Silver Shovel	Obtain from Resetti's Surveillance Center in the city.
Silver Slingshot	Purchase from Tom Nook's store.
Silver Watering Can	Purchase fifty bags of seeds from Tom Nook's store.